Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Refer to the given frequency distribution for problems 1, 2, 3, and 4.

The frequency distribution below exhibits the distribution for suspended solid concentration (in ppm) in river water of 50 different waters collected.

711_frequency table.jpg

1) What percentage of the rivers had suspended solid concentration less than 40?

2) Compute the mean of this frequency distribution.

3) In what class interval should the median lie? Clarify your answer. (You don’t have to find the median)

4) Assume that the biggest observation in this dataset is 98. Assume this observation was incorrectly recorded as 988 rather than 98. Will the mean increase, decrease or remain similar? Will the median increase, decrease or remain the same? Describe your answers.

Refer to the given information for problems 5 and 6.

A coin is flipped three times. Suppose A is the event that the outcome of the first flip is a heads. Assume B be the event which the outcomes of second and third flips are both tails.

5) Determine the probability which the outcomes of the second and third flips are both tails, given that the first one is a heads?

6) Are A and B independent? Why or why not?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M969

Have any Question? 


Related Questions in Statistics and Probability

Measures of central tendency summative taskon a separate

Measures of Central Tendency Summative Task On a separate paper hand out the solution of the two parts of the investigation: Part One - Use the given data set to solve the following problems: 50, 55, 60, 60,70, 80 A. Fin ...

Assignment- data description collection and sampling1a

Assignment- Data: Description, Collection, and Sampling 1. A study was conducted of the 12-month earnings per share for two categories of airline companies, with the result shown in the chart below. Based on the data, wh ...

Otto is trying out for the javelin throw to compete in the

Otto is trying out for the javelin throw to compete in the Olympics. The lengths of his javelin throws are normally distributed with a mean of 310 feet and a standard deviation of 13 feet. What is the probability that th ...

A caterer is competing for a companys business the caterer

A caterer is competing for a company's business. The caterer randomly selects a past client and submits a tasting menu consisting of all the dishes prepared for the past client. What type of sample is this? A college fac ...

1 why can it be argued that the formula for calculating r

1. Why can it be argued that the formula for calculating r should be named the Edgeworth, rather than the Pearson, correlation coefficient? 2. Why may we not interpret or discuss a correlation coefficient that is not sta ...

Thirty percent of the time a sale at food shoppe is paid

Thirty percent of the time, a sale at Food Shoppe is paid using a store-issued credit card. A sample of 18 Food Shoppe sales is obtained. Let X represent the number of sales paid for using the store-issued credit card. W ...

A teacher wants to estimate the average pa of all teachers

A teacher wants to estimate the average pa of all teachers in a district. She wants to be 95% sure her estimate is correct. The standard deviation is $1,000, how large must her sample be to be accurate within $200? Pleas ...

Hello kitty company claims that the proportion of its

Hello Kitty Company claims that the proportion of its employees investing in individual investment accounts is higher than national proportion of 50%. A survey of 100 employees in Hello Kitty Company indicated that 58 of ...

When conducting a hypothesis test if z calculated is less

When conducting a hypothesis test, if z calculated is less than z critical, you should accept the null hypothesis?

In the unit 4 discussion you were asked to create a

In the Unit 4 Discussion you were asked to create a research question and then convert that question into a null hypothesis and alternative hypothesis. You also determined if your alternative is one-tailed or two-tailed. ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro